Sure! This is the second time I've done a job like this. The first time was for my Orion's space bar, which was cut down to 7u from 8u.
Which you can see here:
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With the Itoh, the space bar is around 9.25u. The boards are really rare so doing this mod was stressful, whew. I had some spare US sets, but I wanted to put those on display on the stock boards they came on, so I only had one chance to get this right.
What I do is cut off the side end of the cap and try to cut it to match the curve as closely as possible, then I shorten the bar to the proper length. After that, I attach the end piece and glue it on using a plastic resin glue, and then handle any rough edges, gouges, and such.
As you can see in the details, I accidentally let the dremel's lock nut catch an edge of the bar, and man... that sucked, but I managed to fill that gouge and work it down as well as match the color to the point of it being invisible now. Lucky me.
The last picture shows what you can see of the "scar" from the... operation, haha. Overall, it comes out very clean and very hard to notice. It takes a lot of work versus just making a cut in the middle of the bar, but it pays off since it makes the end result look stock.
Oh, and yeah, there's all the work you have to do UNDER the bar concerning stems and stabilizers, which takes hours in and of itself. It's a very tedious process.
Details:
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Pretty terminal board, but ridiculous terminal layout, ofc--LK201 clone. Really great dyesub spherical profile caps.
Cut the end off and shaped it down. Marked the bar to size it down.
Very clean!
Ouch! That gouge hurts to see. Buut I fixed it!
Under the hood work.
You can just barely see the cut on the left side
